Construction of Questionnaire of Occupation Musculoskeletal Disorders on Protective Knowledge, Attitude, Behavior and Organizational Support in Nursing Staff and its reliability and validity

Objective To develop a questionnaire of occupational musculoskeletal disorders protective knowledge, attitude, behavior and organizational support in nursing staff, analyze its entries and test the reliability and validity of it. Methods Expert group was set up at first. The preliminary draft of questionnaire was formed based on the theory of knowledge-attitude-belief-practice (KABP) , referring to Manual on Improving the Working Conditions of Medical Staff and Teaching Guide for Improving the Working Conditions of Medical Staff and knowledge of human ergonomics, human biomechanics and pain science, and consulting a large number of documents and books in China and abroad, and combining the methods of interview and expert consultation. A total of 300 nursing staff who met the inclusion criteria were recruited in the investigation from March to April 2016, and the reliability and validity were evaluated. Results The questionnaire contained a total of 4 dimensions and 45 retained. The entry number of each dimension were: protection knowledge 13, protective attitude 8, protection behavior 14, and organizational support 10. The Cronbach's α coefficient was from 0.833 to 0.977, binary reliability from 0.751 to 0.975, retest reliability from 0.725 to 0.954. The content validity index of protection related knowledge, attitude, behavior and organizational support were 0.940, 0.963, 0.919 and 0.852 respectively. 8 common factor extracted by exploratory factor analysis, and the cumulative contribution rate reached 73.715%. Conclusions The final nursing questionnaire of occupational musculoskeletal disorders protective knowledge, attitude, behavior and organizational support has good reliability and validity, which can provide reference for the research of the occupational musculoskeletal disorders in nursing staff. Key words: Nursing staff; Occupation musculoskeletal disorders; Construction of questionnaire; Reliability; Validity